Photo by: Uncredited
This photo provided by the anti-government activist group Aleppo Media Center (AMC), which has been authenticated based on its contents and other AP reporting, shows buildings which were destroyed from a Syrian government airstrike in Aleppo, Syria, Saturday, May. 17, 2014. The United Nations chief has condemned a cut in water supplies in the northern Syrian city of Aleppo that he said has deprived at least 2.5 million people of access to potable water. (AP Photo/Aleppo Media CenterAMC)